题目内容
12.Many airlines now allow passengers to print their boarding passes online ______ their valuable time.( )A. | save | B. | saving | C. | to save | D. | saved |
分析 现在很多航班允许乘客在线打印登机牌,以便节约他们宝贵的时间.
解答 答案:C
句中Many airlines now allow passengers to print their boarding passes online是完整的句子结构,后面要用非谓语动词;to save表示目的,要用动词不定式构成目的状语.故选C.
点评 动词不定式是非谓语动词是一种,表示未发生的动作,用法较多.常用来作定语,主语,宾语,补语,状语等.本题中用来作目的状语,相当于in order to"为了".
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